N0=[0 0 1 1 1 0 0;
    0 1 1 0 1 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 1 0 1 1 0;
    0 0 1 1 1 0 0];
N1=[0 0 0 1 0 0 0;
    0 0 1 1 0 0 0;
    0 1 0 1 0 0 0;
    0 0 0 1 0 0 0;
    0 0 0 1 0 0 0;
    0 0 0 1 0 0 0;
    0 0 0 1 0 0 0;
    0 0 0 1 0 0 0;
    0 1 1 1 1 1 0];
N2=[0 1 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 1 1 1 1 1 0;
    0 1 0 0 0 0 0;
    0 1 0 0 0 0 0;
    0 1 0 0 0 0 0;
    0 1 1 1 1 1 0];
N3=[0 1 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 1 1 1 1 1 0];
N4=[0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0];
N5=[0 1 1 1 1 1 0;
    0 1 0 0 0 0 0;
    0 1 0 0 0 0 0;
    0 1 0 0 0 0 0;
    0 1 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 1 1 1 1 1 0];
N6=[0 1 1 1 1 1 0;
    0 1 0 0 0 0 0;
    0 1 0 0 0 0 0;
    0 1 0 0 0 0 0;
    0 1 1 1 1 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 1 1 1 1 0];
N7=[0 1 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0];
N8=[0 1 1 1 1 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 1 1 1 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 1 1 1 1 0];
N9=[0 1 1 1 1 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 0 0 0 1 0;
    0 1 1 1 1 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 0 0 0 0 1 0;
    0 1 1 1 1 1 0];
